Lavatory sink



FIG. 1 is a front perspective view of a preferred embodiment of a lavatory sink showing our new design;

FIG. 2 is a front view of the lavatory sink of FIG. 1;

FIG. 3 is a right side view of the lavatory sink of FIG. 1;

FIG. 4 is a top view of the lavatory sink of FIG. 1;

FIG. 5 is a bottom view of the lavatory sink of FIG. 1;

FIG. 6 is a left side view of the lavatory sink; and,

FIG. 7 is a rear view of the lavatory sink of FIG. 1. 

The ornamental design for a “lavatory sink”, as shown. 